Gnathostomulida -- taxonomic database

Nanognathia exigua Diagnosis


Diagnosis of N. exigua Sterrer, 1973a emend. Sterrer, 1998

Nanognathia with a body index of 6.10 and a rostrum index of 0.91. With a distinct sulcus praepharyngealis at U 11. Basal plate very delicate, 8.0 µm long and 14.57 µm wide (index 0.55). Jaws 14.26 µm long, with 2 rows of teeth and a horizontal toothless ridge between. Penis stylet 33.64 µm long. Sperm droplet-shaped, 3 µm long and 1 µm wide (index 3.00).


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